import json


def get_json():
    with open("./datas/data_json.json","r") as f:
        #[[1,1,2],[3,6,9],[100,200,300]]
        data = json.loads(f.read())
        #json.dumps()会把字典变成字符串.loads读出来的是字典

        return list(data.values())

if __name__ == '__main__':
    print(get_json())